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io.listener.go
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51 lines (43 loc) · 796 Bytes
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package elio
import (
"fmt"
"net"
"os"
"sync"
)
// Listener listener
type Listener struct {
sync.RWMutex
listenFd int // listen fd
listenF *os.File
listener net.Listener
ios IOs
reuse bool
}
// newListener new listener
func newListener(io string, reuse bool) *Listener {
l := new(Listener)
if nil != l {
if IoPoll == GetCurrentIO(io) {
l.ios = IoPoll
} else {
l.ios = IoDefault
}
l.reuse = reuse
}
return l
}
func (l *Listener) String() string {
return fmt.Sprintf("Listener::%p", l)
}
// ToFile to file
func (l *Listener) ToFile() (err error) {
if l.listenF, err = l.listener.(*net.TCPListener).File(); nil == err {
l.listenFd = int(l.listenF.Fd())
}
return err
}
// ToFd to file descriptor
func (l *Listener) ToFd() int {
return l.listenFd
}